Why don't you check the results for "big breasts" in MSN more carefully:
e.g.
www.big-breast-lovers.net - doorway page to an affiliate site
www.tastybreasts.com: spamming the search engine: look for the repeated kewwords at the bottom:
Big Breasts #01 || Big Breasts #02 || Big Breasts #03 || Big Breasts #04 || Big Breasts #05 || Big Breasts #06 || Big Breasts #07
Big Breasts #08 || Big Breasts #09 || Big Breasts #10 || Big Breasts #11 || Big Breasts #12 || Big Breasts #13 || Big Breasts #14
Big Breasts #15 || Big Breasts #16 || Big Breasts #17 || Big Breasts #18 || Big Breasts #19 || Big Breasts #20 || Big Breasts #21
Big Breasts #22 || Big Breasts #23 || Big Breasts #24 || Big Breasts #25 || Big Breasts #26 || Big Breasts #27 || Big Breasts #28
Big Breasts #29 || Big Breasts #30
Just shows how far MSN has got to go